Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933092Ab0FQXR3 (ORCPT ); Thu, 17 Jun 2010 19:17:29 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:53744 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760881Ab0FQXR2 (ORCPT ); Thu, 17 Jun 2010 19:17:28 -0400 Date: Thu, 17 Jun 2010 16:16:19 -0700 From: Andrew Morton To: Andy Walls Cc: Daniel Walker , Tejun Heo , mingo@elte.hu, linux-kernel@vger.kernel.org, jeff@garzik.org, rusty@rustcorp.com.au, cl@linux-foundation.org, dhowells@redhat.com, arjan@linux.intel.com, johannes@sipsolutions.net, oleg@redhat.com, axboe@kernel.dk Subject: Re: Overview of concurrency managed workqueue Message-Id: <20100617161619.d3ebd73d.akpm@linux-foundation.org> In-Reply-To: <1276776066.2461.15.camel@localhost> References: <1276551467-21246-1-git-send-email-tj@kernel.org> <4C17C598.7070303@kernel.org> <1276631037.6432.9.camel@c-dwalke-linux.qualcomm.com> <4C18BF40.40607@kernel.org> <1276694825.9309.12.camel@m0nster> <4C18D1FD.9060804@kernel.org> <1276695665.9309.17.camel@m0nster> <4C18D574.1040903@kernel.org> <1276697146.9309.27.camel@m0nster> <1276776066.2461.15.camel@localhost> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.9; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 745 Lines: 18 On Thu, 17 Jun 2010 08:01:06 -0400 Andy Walls wrote: > I'm going to agree with Tejun, that tweaking worker thread priorities > seems like an odd thing, since they are meant to handle deferable > actions - things that can be put off until later. Disagree. If you're in an interrupt handler and have some work which you want done in process context and you want it done RIGHT NOW then handing that work off to a realtime-policy worker thread is a fine way of doing that. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/